/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.dx.rop.cst;

/**
 * Constants of type {@code CONSTANT_InterfaceMethodref_info}.
 */
public final class CstInterfaceMethodRef extends CstBaseMethodRef {

	/**
	 * {@code null-ok;} normal {@link CstMethodRef} that corresponds to this
	 * instance, if calculated
	 */
	private CstMethodRef methodRef;

	/**
	 * Constructs an instance.
	 * 
	 * @param definingClass
	 *            {@code non-null;} the type of the defining class
	 * @param nat
	 *            {@code non-null;} the name-and-type
	 */
	public CstInterfaceMethodRef(CstType definingClass, CstNat nat) {
		super(definingClass, nat);
		methodRef = null;
	}

	/** {@inheritDoc} */
	@Override
	public String typeName() {
		return "ifaceMethod";
	}

	/**
	 * Gets a normal (non-interface) {@link CstMethodRef} that corresponds to
	 * this instance.
	 * 
	 * @return {@code non-null;} an appropriate instance
	 */
	public CstMethodRef toMethodRef() {
		if (methodRef == null) {
			methodRef = new CstMethodRef(getDefiningClass(), getNat());
		}

		return methodRef;
	}
}
